Treasurer - Tax Collector

The Treasurer-Tax Collector’s Office proudly serves the residents and taxpayers of San Joaquin County. Our mission is to ensure the safekeeping of public funds while maintaining liquidity and maximizing earnings in a conservative and prudent matter. We strive to provide the highest level of service in a professional, courteous, and efficient manner as we collect taxes and revenues critical to local government operations that benefit San Joaquin County and its citizens.

In an effort to better serve you, we welcome your comments and suggestions. Please e-mail us at and thank you for visiting our website!

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Coming Soon: The California Mortgage Relief Program, which helps homeowners catch up on their housing payments, will soon launch a property tax assistance option. Visit to see if you qualify for the current program or sign up for the program's ENewsletter to get notified when the property tax option becomes available. 

Other Announcements

Phonxay Keokham, CPA
Treasurer-Tax Collector
Treasurer-Tax Collector
44 North San Joaquin Street
First Floor, Suite 150
Stockton, CA 95202
Treasurer-Tax Collector's Office
P.O. Box 2169
Stockton, CA 95201-2169
Phone: (209) 468-2133
Fax: (209) 468-2158
8:30 AM - 4:30 PM
Excluding holidays. Open until 5:00 PM on delinquent dates.

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